'\" te
.\" Copyright (c) 2006, Sun Microsystems, Inc.
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.TH DDI_SLAVEONLY 9F "Jan 16, 2006"
.SH NAME
ddi_slaveonly \- tell if a device is installed in a slave access only location
.SH SYNOPSIS
.nf
#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>



\fBint\fR \fBddi_slaveonly\fR(\fBdev_info_t\fR \fI*dip\fR);
.fi

.SH INTERFACE LEVEL
illumos DDI specific (illumos DDI).
.SH PARAMETERS
.ne 2
.na
\fB\fIdip\fR\fR
.ad
.RS 7n
A pointer to the device's \fBdev_info\fR structure.
.RE

.SH DESCRIPTION
The \fBddi_slaveonly()\fR function tells the caller if the bus, or part of the
bus that the device is installed on, does not permit the device to become a DMA
master, that is, whether the device has been installed in a slave access only
slot.
.SH RETURN VALUES
.ne 2
.na
\fB\fBDDI_SUCCESS\fR\fR
.ad
.RS 15n
The device has been installed in a slave access only location.
.RE

.sp
.ne 2
.na
\fB\fBDDI_FAILURE\fR\fR
.ad
.RS 15n
The device has not been installed in a slave access only location.
.RE

.SH CONTEXT
The \fBddi_slaveonly()\fR function can be called from user, interrupt, or
kernel context.
.SH SEE ALSO
\fIWriting Device Drivers\fR
